code: def test_address_specified():
      addr = "127.0.0.1:1112"
      strategy = AddressSpecified(addr)
      assert strategy.get_allocated_address(config, dict()) == addr
  
file_path: mars/mars/oscar/backends/mars/tests/test_allocate_strategy.py
imports: import pytest
  from ....None import create_actor_ref
  from ....errors import NoIdleSlot
  from ...allocate_strategy import AddressSpecified, MainPool, RandomSubPool, Random, RandomLabel, IdleLabel
  from ...config import ActorPoolConfig
label_desc: Use image node_id 1 for calling a global function with example usage: test_address_specified() without return types